void RenderTextControlSingleLine::autoscroll(const IntPoint& position)
{
RenderTextControlInnerBlock* renderer = innerTextElement()->renderer();
if (!renderer)
return;
RenderLayer* layer = renderer->layer();
if (layer)
layer->autoscroll(position);
}
bool RenderTextControlSingleLine::scroll(ScrollDirection direction, ScrollGranularity granularity, float multiplier, Element** stopElement, RenderBox* startBox, const IntPoint& wheelEventAbsolutePoint)
{
RenderTextControlInnerBlock* renderer = innerTextElement()->renderer();
if (!renderer)
return false;
RenderLayer* layer = renderer->layer();
if (layer && layer->scroll(direction, granularity, multiplier))
return true;
return RenderBlockFlow::scroll(direction, granularity, multiplier, stopElement, startBox, wheelEventAbsolutePoint);
}
void RenderTextControl::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle)
{
RenderBlockFlow::styleDidChange(diff, oldStyle);
TextControlInnerTextElement* innerText = innerTextElement();
if (!innerText)
return;
RenderTextControlInnerBlock* innerTextRenderer = innerText->renderer();
if (innerTextRenderer) {
// We may have set the width and the height in the old style in layout().
// Reset them now to avoid getting a spurious layout hint.
innerTextRenderer->style().setHeight(Length());
innerTextRenderer->style().setWidth(Length());
innerTextRenderer->setStyle(createInnerTextStyle(&style()));
}
textFormControlElement().updatePlaceholderVisibility();
}
String HTMLTextFormControlElement::valueWithHardLineBreaks() const
{
// FIXME: It's not acceptable to ignore the HardWrap setting when there is no renderer.
// While we have no evidence this has ever been a practical problem, it would be best to fix it some day.
if (!isTextFormControl())
return value();
TextControlInnerTextElement* innerText = innerTextElement();
if (!innerText)
return value();
RenderTextControlInnerBlock* renderer = innerText->renderer();
if (!renderer)
return value();
Node* breakNode;
unsigned breakOffset;
RootInlineBox* line = renderer->firstRootBox();
if (!line)
return value();
getNextSoftBreak(line, breakNode, breakOffset);
StringBuilder result;
for (Node* node = innerText->firstChild(); node; node = NodeTraversal::next(*node, innerText)) {
if (is<HTMLBRElement>(*node))
result.append(newlineCharacter);
else if (is<Text>(*node)) {
String data = downcast<Text>(*node).data();
unsigned length = data.length();
unsigned position = 0;
while (breakNode == node && breakOffset <= length) {
if (breakOffset > position) {
result.append(data, position, breakOffset - position);
position = breakOffset;
result.append(newlineCharacter);
}
getNextSoftBreak(line, breakNode, breakOffset);
}
result.append(data, position, length - position);
}
while (breakNode == node)
getNextSoftBreak(line, breakNode, breakOffset);
}
stripTrailingNewline(result);
return result.toString();
}
void RenderTextControlSingleLine::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle)
{
m_desiredInnerTextLogicalHeight = -1;
RenderTextControl::styleDidChange(diff, oldStyle);
// We may have set the width and the height in the old style in layout().
// Reset them now to avoid getting a spurious layout hint.
HTMLElement* innerBlock = innerBlockElement();
if (RenderObject* innerBlockRenderer = innerBlock ? innerBlock->renderer() : 0) {
innerBlockRenderer->style().setHeight(Length());
innerBlockRenderer->style().setWidth(Length());
}
HTMLElement* container = containerElement();
if (RenderObject* containerRenderer = container ? container->renderer() : 0) {
containerRenderer->style().setHeight(Length());
containerRenderer->style().setWidth(Length());
}
RenderTextControlInnerBlock* innerTextRenderer = innerTextElement()->renderer();
if (innerTextRenderer && diff == StyleDifferenceLayout)
innerTextRenderer->setNeedsLayout(MarkContainingBlockChain);
if (HTMLElement* placeholder = inputElement().placeholderElement())
placeholder->setInlineStyleProperty(CSSPropertyTextOverflow, textShouldBeTruncated() ? CSSValueEllipsis : CSSValueClip);
setHasOverflowClip(false);
}
void RenderTextControlSingleLine::layout()
{
StackStats::LayoutCheckPoint layoutCheckPoint;
// FIXME: We should remove the height-related hacks in layout() and
// styleDidChange(). We need them because
// - Center the inner elements vertically if the input height is taller than
// the intrinsic height of the inner elements.
// - Shrink the inner elment heights if the input height is samller than the
// intrinsic heights of the inner elements.
// We don't honor paddings and borders for textfields without decorations
// and type=search if the text height is taller than the contentHeight()
// because of compability.
RenderTextControlInnerBlock* innerTextRenderer = innerTextElement()->renderer();
RenderBox* innerBlockRenderer = innerBlockElement() ? innerBlockElement()->renderBox() : 0;
// To ensure consistency between layouts, we need to reset any conditionally overriden height.
if (innerTextRenderer && !innerTextRenderer->style().logicalHeight().isAuto()) {
innerTextRenderer->style().setLogicalHeight(Length(Auto));
setNeedsLayoutOnAncestors(innerTextRenderer, this);
}
if (innerBlockRenderer && !innerBlockRenderer->style().logicalHeight().isAuto()) {
innerBlockRenderer->style().setLogicalHeight(Length(Auto));
setNeedsLayoutOnAncestors(innerBlockRenderer, this);
}
RenderBlockFlow::layoutBlock(false);
HTMLElement* container = containerElement();
RenderBox* containerRenderer = container ? container->renderBox() : 0;
// Set the text block height
LayoutUnit desiredLogicalHeight = textBlockLogicalHeight();
LayoutUnit logicalHeightLimit = computeLogicalHeightLimit();
if (innerTextRenderer && innerTextRenderer->logicalHeight() > logicalHeightLimit) {
if (desiredLogicalHeight != innerTextRenderer->logicalHeight())
setNeedsLayout(MarkOnlyThis);
m_desiredInnerTextLogicalHeight = desiredLogicalHeight;
innerTextRenderer->style().setLogicalHeight(Length(desiredLogicalHeight, Fixed));
innerTextRenderer->setNeedsLayout(MarkOnlyThis);
if (innerBlockRenderer) {
innerBlockRenderer->style().setLogicalHeight(Length(desiredLogicalHeight, Fixed));
innerBlockRenderer->setNeedsLayout(MarkOnlyThis);
}
}
// The container might be taller because of decoration elements.
if (containerRenderer) {
containerRenderer->layoutIfNeeded();
LayoutUnit containerLogicalHeight = containerRenderer->logicalHeight();
if (containerLogicalHeight > logicalHeightLimit) {
containerRenderer->style().setLogicalHeight(Length(logicalHeightLimit, Fixed));
setNeedsLayout(MarkOnlyThis);
} else if (containerRenderer->logicalHeight() < contentLogicalHeight()) {
containerRenderer->style().setLogicalHeight(Length(contentLogicalHeight(), Fixed));
setNeedsLayout(MarkOnlyThis);
} else
containerRenderer->style().setLogicalHeight(Length(containerLogicalHeight, Fixed));
}
// If we need another layout pass, we have changed one of children's height so we need to relayout them.
if (needsLayout())
RenderBlockFlow::layoutBlock(true);
// Center the child block in the block progression direction (vertical centering for horizontal text fields).
if (!container && innerTextRenderer && innerTextRenderer->height() != contentLogicalHeight())
centerRenderer(*innerTextRenderer);
else
centerContainerIfNeeded(containerRenderer);
// Ignores the paddings for the inner spin button.
if (RenderBox* innerSpinBox = innerSpinButtonElement() ? innerSpinButtonElement()->renderBox() : 0) {
RenderBox* parentBox = innerSpinBox->parentBox();
if (containerRenderer && !containerRenderer->style().isLeftToRightDirection())
innerSpinBox->setLogicalLocation(LayoutPoint(-paddingLogicalLeft(), -paddingBefore()));
else
innerSpinBox->setLogicalLocation(LayoutPoint(parentBox->logicalWidth() - innerSpinBox->logicalWidth() + paddingLogicalRight(), -paddingBefore()));
innerSpinBox->setLogicalHeight(logicalHeight() - borderBefore() - borderAfter());
}
HTMLElement* placeholderElement = inputElement().placeholderElement();
if (RenderBox* placeholderBox = placeholderElement ? placeholderElement->renderBox() : 0) {
LayoutSize innerTextSize;
if (innerTextRenderer)
innerTextSize = innerTextRenderer->size();
placeholderBox->style().setWidth(Length(innerTextSize.width() - placeholderBox->horizontalBorderAndPaddingExtent(), Fixed));
placeholderBox->style().setHeight(Length(innerTextSize.height() - placeholderBox->verticalBorderAndPaddingExtent(), Fixed));
bool neededLayout = placeholderBox->needsLayout();
bool placeholderBoxHadLayout = placeholderBox->everHadLayout();
placeholderBox->layoutIfNeeded();
LayoutPoint textOffset;
if (innerTextRenderer)
textOffset = innerTextRenderer->location();
if (innerBlockElement() && innerBlockElement()->renderBox())
textOffset += toLayoutSize(innerBlockElement()->renderBox()->location());
if (containerRenderer)
textOffset += toLayoutSize(containerRenderer->location());
placeholderBox->setLocation(textOffset);
if (!placeholderBoxHadLayout && placeholderBox->checkForRepaintDuringLayout()) {
// This assumes a shadow tree without floats. If floats are added, the
// logic should be shared with RenderBlock::layoutBlockChild.
placeholderBox->repaint();
}
// The placeholder gets layout last, after the parent text control and its other children,
// so in order to get the correct overflow from the placeholder we need to recompute it now.
if (neededLayout)
computeOverflow(clientLogicalBottom());
}
#if PLATFORM(IOS)
// FIXME: We should not be adjusting styles during layout. <rdar://problem/7675493>
if (inputElement().isSearchField())
RenderThemeIOS::adjustRoundBorderRadius(style(), *this);
#endif
}
